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Vinylidene fluoride																				Related Pages
Synonyms & Trade Names
			1,1-Difluoroethene, Difluoro-1,1-ethylene, 1,1-Difluoroethylene, Halocarbon 1132A, VDF, Vinylidene difluoride
CAS No.
			75-38-7
	RTECS No.
			KW0560000
	DOT ID & Guide
			1959 116P

FormulaCH2=CF2
	Conversion
			1 ppm = 2.62 mg/m3
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELTWA 1 ppm C 5 ppm [use 1910.1017]
					OSHA PEL none
	Measurement Methods
			**NIOSH** 3800
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless gas with a faint, ethereal odor.
					[Note: Shipped as a liquefied compressed gas.]													
										
Molecular Weight64.0	
	Boiling Point-122°F
	Freezing Point-227°F
	SolubilityInsoluble
	Vapor Pressure35.2 atm
	Ionization Potential10.29 eV											
Flash PointNA (Gas)
	Upper Explosive Limit21.3%
	Lower Explosive Limit5.5%
	Relative Gas Density2.21
Flammable Gas
Incompatibilities & Reactivities
			Oxidizers, aluminum chloride
					[Note: Violent reaction with hydrogen chloride when heated under pressure.]
Exposure Routes
			inhalation, skin and/or eye contact (liquid)
Symptoms
			dizziness, headache, nausea; liquid: frostbite
Target Organs
			central nervous system
										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Frostbite
							**Eyes:**Frostbite
							**Wash skin:**No recommendation
							**Remove:**When wet (flammable)
							**Change:**No recommendation
							**Provide:**Frostbite wash
	First Aid
			(See procedures)**Eye:**Frostbite
							**Skin:**Frostbite
							**Breathing:**Respiratory support
Respirator Recommendations
			**NIOSH****Up to 10 ppm**: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)(APF = 10) Any supplied-air respirator**Up to 25 ppm**: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)**Up to 50 ppm**: (APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s)(APF = 50) Any self-contained breathing apparatus with a full facepiece(APF = 50) Any supplied-air respirator with a full facepiece**Up to 200 ppm**: (APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode**Emergency or planned entry into unknown concentrations or IDLH conditions:** (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus**Escape:** (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canisterAny appropriate escape-type, self-contained breathing apparatus
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0687

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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